A pianist about to flee from a duel receives a letter from a woman he cannot remember. As she tells the story of her lifelong love for him, he is forced to reinterpret his own past.
You can now watch Letter from an Unknown Woman online on the following streaming providers in the United States.
| Directing | Max Ophüls | Director |
| Writing | Howard Koch | Screenplay |
| Writing | Stefan Zweig | Author |
| Production | John Houseman | Producer |
| Production | William Dozier | Executive Producer |
| Sound | Daniele Amfitheatrof | Original Music Composer |
| Camera | Franz Planer | Director of Photography |
| Editing | Ted J. Kent | Editor |
| Art | Alexander Golitzen | Art Direction |
| Art | Russell A. Gausman | Set Decoration |
| Art | Ruby R. Levitt | Set Decoration |
| Costume & Make-Up | Travis Banton | Costume Design |
| Sound | Glenn E. Anderson | Sound Designer |
| Sound | Leslie I. Carey | Sound Designer |
| Costume & Make-Up | Virginia Tutwiler | Wardrobe Designer |
| Lighting | Tex Bellah | Best Boy Electrician |
| Art | Wally Kirkpatrick | Props |
| Camera | Roland Smith | Grip |
| Writing | Stefan Zweig | Novel |
